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Maximum Maximum [Member] Temporary equity, contract terms, minimum vote needed to trigger change in control from tender offer Temporary Equity, Contract Terms, Minimum Vote Needed To Trigger Change In Control From Tender Offer Temporary Equity, Contract Terms, Minimum Vote Needed To Trigger Change In Control From Tender Offer Term Loan Facility Term Loan Facility [Member] Term Loan Facility Adjustment to OP Units held by Non-controlling OP Unitholders resulting from changes in ownership of the Operating Partnership Adjustments To Additional Paid In Capital, Adjustment To Operating Partnership Ownership Adjustments To Additional Paid In Capital, Adjustment To Operating Partnership Ownership Statistical Measurement [Domain] Statistical Measurement [Domain] Title of 12(b) Security Title of 12(b) Security Subsequent Event Subsequent Event [Member] Document Fiscal Year Focus Document Fiscal Year Focus Total derivative liabilities, net Derivative Assets (Liabilities), at Fair Value, Net Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Weighted average interest rate on debt outstanding (as a percent) Debt, Weighted Average Interest Rate Adjustment to Compensation, Amount Adjustment to Compensation Amount Deferred rent receivable, net Deferred Rent Receivables, Net Series F Cumulative Redeemable Preferred Stock Series F Cumulative Redeemable Preferred Stock [Member] Series F Cumulative Redeemable Preferred Stock [Member] Common stock, par value $0.001 per share, 62,639,994 and 62,599,663 shares authorized; and 48,407,375 and 48,406,993 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively Common Stock, Value, Issued 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Schedule of Company's Mortgage Notes Payable and Credit Facility Schedule of Long-Term Debt Instruments [Table Text Block] Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Period prior to termination Related Party Transaction, Period Prior To Termination Related Party Transaction, Period Prior To Termination 2027 Finance Lease, Liability, to be Paid, Year One Derivative Instrument [Axis] Derivative Instrument [Axis] Variable rate mortgage loans Variable Rate Mortgages [Member] Variable rate mortgages. Number of real estate properties, held for sale Number Of Real Estate Properties Held For Sale Number of real estate properties held for sale. 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BofA, Baird, Goldman Sachs, KeyBanc Capital Markets Inc, and Fifth Third BofA, Baird, Goldman Sachs, KeyBanc Capital Markets Inc, and Fifth Third [Member] Baird, Goldman Sachs, KeyBanc Capital Markets Inc, and Fifth Third Mortgage Financing Arrangement Agreement - Financing Fees Mortgage Financing Arrangement Agreement - Financing Fees [Member] Mortgage Financing Arrangement Agreement - Financing Fees Intangible Asset, Finite-Lived, Acquired [Line Items] Intangible Asset, Finite-Lived, Acquired [Line Items] Scheduled maturity dates Debt Instrument, Maturity Date Variable lease payments, percent change Variable Lease, Income, Net Change, Percent Variable Lease, Income, Net Change, Percent Related Party Transactions Related Party Transactions Disclosure [Text Block] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Schedule of Carrying Value of Intangible Assets, Liabilities and Accumulated Amortization Schedule Of Intangible Assets, Liabilities And Accumulated Amortization Table [Table Text Block] Schedule of intangible assets, liabilities and accumulated amortization. Entity Address, State or Province Entity Address, State or Province PEO Total Compensation Amount PEO Total Compensation Amount Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Universal registration statement, amount authorized Sale Of Stock, Value Of Shares Authorized To Be Issued Sale Of Stock, Value Of Shares Authorized To Be Issued Aggregate Notional Amount Derivative, Notional Amount Aggregate Capitalized Acquisition Expenses Business Acquisition Expenses Business acquisition expenses. Basic (in shares) Denominator for basic weighted average shares of common stock (in shares) Weighted Average Number of Shares Outstanding, Basic Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Asset retirement obligation Asset Retirement Obligation Number of reportable segments Number of Reportable Segments Advisory Agreement - Incentive Rate, Annualized Hurdle Rate Advisory Agreement - Incentive Rate, Annualized Hurdle Rate [Member] Advisory Agreement - Incentive Rate, Annualized Hurdle Rate Advisory Agreement - Incentive Rate, Quarterly Hurdle Rate Advisory Agreement - Incentive Rate, Quarterly Hurdle Rate [Member] Advisory Agreement - Incentive Rate, Quarterly Hurdle Rate 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Customer Relationships Customer relationships Customer Relationships [Member] Gladstone Securities, LLC Gladstone Securities, LLC [Member] Gladstone Securities, LLC Real estate, at cost Real Estate Investment Property, at Cost Schedule of Impact of Derivative Instruments and Information Regarding Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Income from real estate and related assets sold Income Loss From Real Estate And Related Assets Held For Sale Income loss from real estate and related assets held for sale. 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Schedule of Future Minimum Operating Rental Payments Due Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Document Period End Date Document Period End Date Operating changes in assets and liabilities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Amortization of right-of-use asset from operating leases and operating lease liabilities, net Operating Lease, Right-Of-Use Asset And Lease Liability, Amortization Operating Lease, Right-Of-Use Asset And Lease Liability, Amortization Face amount Debt Instrument, Face Amount Gain on sale of real estate, net Gain on sale of real estate, net Aggregate Gain on Sale of Real Estate, net Gain (Loss) on Sale of Properties Calculation of basic and diluted earnings per share of common stock: Earnings Per Share, Basic [Abstract] 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Equity and Mezzanine Equity Equity [Text Block] Variable Rate Line of Credit [Member] Variable rate revolving credit facility Variable Rate Line Of Credit [Member] Variable Rate Line Of Credit [Member] Redeemable preferred stock, shares outstanding (in shares) Temporary Equity, Shares Outstanding Security Exchange Name Security Exchange Name Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Segment Reporting Segment Reporting, Policy [Policy Text Block] Right-of-use assets from finance leases, net Finance Lease, Right-of-Use Asset, after Accumulated Amortization Schedule of Components of Investments in Real Estate Schedule of Real Estate Properties [Table Text Block] Earnings Per Share of Common Stock Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Income per weighted average share of common stock - basic & diluted Earnings Per Share [Abstract] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Number of properties collateralized Number of Properties Repaid To Collateralized Mortgage Notes Payable Number of Properties Repaid To Collateralized Mortgage Notes Payable Mortgage notes payable, net Secured Long-Term Debt, Noncurrent Document Fiscal Period Focus Document Fiscal Period Focus Weighted average number of OP Units held by non-controlling OP unitholders (in shares) Noncontrolling Interest, Ownership By Noncontrolling Owners, Number Of Shares, Weighted Average Noncontrolling Interest, Ownership By Noncontrolling Owners, Number Of Shares, Weighted Average Lease revenue Lease revenue Lease Income Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] TOTAL LIABILITIES Liabilities Trading Symbol Trading Symbol Newport News, VA Newport News, VA [Member] Newport News, VA Geographical [Domain] Geographical [Domain] Schedule of Interest Rate Caps and Swaps Schedule of Interest Rate Derivatives [Table Text Block] Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Schedule of Fair Value of Assets Acquired and Liabilities Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] Company Selected Measure Name Company Selected Measure Name Sale of Stock [Domain] Sale of Stock [Domain] Preferred stock, dividends paid (in dollars per share) Preferred Stock, Dividends, Per Share, Cash Paid Redeemable preferred stock, dividend reinvestment plan, shares authorized (in shares) Preferred Stock, Shares Authorized, Dividend Reinvestment Plan Preferred Stock, Shares Authorized, Dividend Reinvestment Plan Tenant funded fixed asset improvements included in deferred rent liability, net Fixed Asset Additions Paid For By Tenant Fixed asset additions paid for by tenant. Counterparty Individual Counterparty [Member] NON-CASH INFORMATION Noncash Investing and Financing Items [Abstract] Advisory Agreement - Base Management Fee Advisory Agreement - Base Management Fee [Member] Advisory Agreement - Base Management Fee Company ownership percentage of voting securities Subsidiary, Ownership Percentage, Parent Carrying value Total Long-Term Debt, Gross Property operating expenses Property Operating Expenses Property Operating Expenses Credit Facility [Domain] Credit Facility [Domain] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Related Party Transactions [Abstract] Related Party Transactions [Abstract] Cash flows from operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Maximum aggregate sales price of shares to be issued under open market sale agreement Maximum Aggregate Sales Price Of Shares To Be Issued Under Open Market Sale Agreement Maximum Aggregate Sales Price Of Shares To Be Issued Under Open Market Sale Agreement Common Stock ATM Program, 2023 Common Stock ATM Program, 2023 [Member] Common Stock ATM Program, 2023 Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Schedule of Real Estate Properties [Table] Schedule Of Real Estate Owned Held For Sale [Table] Schedule Of Real Estate Owned Held For Sale Diluted (in shares) Denominator for diluted weighted average shares of common stock (in shares) Weighted Average Number of Shares Outstanding, Diluted Common stock, dividends paid (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Emerging Growth Company Entity Emerging Growth Company Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Related Party Transaction [Line Items] Related Party Transaction [Line Items] 2028 Finance Lease, Liability, to be Paid, Year Two Disposal Group Name [Domain] Disposal Group Name [Domain] Number of properties acquired Number Of Properties Acquired Number of properties acquired. Number of mortgage notes payable Number Of Mortgage Notes Payable Number of mortgage notes payable. Underlying Security Market Price Change Underlying Security Market Price Change, Percent 2030 Finance Lease, Liability, to be Paid, Year Four Borrowings from revolving credit facility Proceeds from Lines of Credit Entities [Table] Entities [Table] Less: amount representing interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Schedule of Properties Disposed Disposal Groups, Including Discontinued Operations [Table Text Block] Senior common stock, par value $0.001 per share; 950,000 shares authorized; and 378,766 and 379,223 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively Senior Common Stock, Value, Issued Senior Common Stock, Value, Issued Number of unencumbered properties Number Of Existing Unencumbered Properties Number Of Existing Unencumbered Properties Less: amount representing interest Finance Lease, Liability, Undiscounted Excess Amount Award Timing Predetermined Award Timing Predetermined [Flag] Letters of credit, outstanding Letters of Credit Outstanding, Amount Number of assets held for sale Number Of Assets Held For Sale Number Of Assets Held For Sale Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest [Abstract] Distributions in excess of accumulated earnings Accumulated Distributions in Excess of Net Income Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Receipt of sales-type lease receivable Sales-Type Lease Receivable, Operating Activity Sales-Type Lease Receivable, Operating Activity Borrowings on unsecured term loan Proceeds from Issuance of Unsecured Debt Senior unsecured notes 2030 Senior Unsecured Notes 2030 [Member] Senior Unsecured Notes 2030 Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Total anticipated lease payments Lessee, Operating Lease, Liability, to be Paid Area of property Aggregate Square Footage Sold Area of Real Estate Property Schedule of Weighted Average Amortization Period for Intangible Assets Acquired and Liabilities Assumed Weighted Average Amortization Period For Intangible Assets Acquired [Table Text Block] Weighted average amortization period for intangible assets acquired. 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Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Total operating expense before incentive fee waiver Operating Expenses, Before Incentive Fee Credit Operating Expenses, Before Incentive Fee Credit Minimum Minimum [Member] Borrowings under Revolver Line of credit outstanding Long-Term Line of Credit Expiration Date Trading Arrangement Expiration Date 2030 Long-Term Debt, Maturity, Year Four Number of sales-type lease Number Of Sales-Type Lease Number Of Sales-Type Lease LIABILITIES Liabilities [Abstract] Restricted cash Restricted Cash and Cash Equivalent Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] TOTAL EQUITY Balance, beginning of period Balance, end of period Equity, Including Portion Attributable to Noncontrolling Interest Advisory Agreement - Base Rate, Quarterly Rate Advisory Agreement - Base Rate, Quarterly Rate [Member] Advisory Agreement - Base Rate, Quarterly Rate Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Building Building [Member] Schedule of Real Estate Properties [Table] Real Estate Property, Ownership [Table] Number of quarters used for the cap of average quarterly incentive fees Related Party Transaction, Number Of Quarters Used For The Cap Of Average Quarterly Incentive Fees Related Party Transaction, Number Of Quarters Used For The Cap Of Average Quarterly Incentive Fees Nonrelated Party Nonrelated Party [Member] Other liabilities Amount due to advisor and administrator Other Liabilities Disposal Group, Including Discontinued Operations [Line Items] Disposal Group, Including Discontinued Operations [Line Items] Affiliated Entity Affiliated Entity [Member] Business Combination [Line Items] Business Combination [Line Items] Germantown, WI Germantown, Wisconsin [Member] Germantown, Wisconsin Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Thereafter Lessor, Operating Lease, Payment to be Received, after Year Five Operating expense Disposal Group, Including Discontinued Operation, Operating Expense Lease payments, percent change Lease, Income, Net Change, Percent Lease, Income, Net Change, Percent Proceeds from issuance of equity Proceeds from Issuance of Common Stock Common stock, shares authorized (in shares) Common Stock, Shares Authorized Total real estate, net Real Estate Investment Property, Net Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Number of shares sold (in shares) Sale of Stock, Number of Shares Issued in Transaction Significant Accounting Policies Critical Accounting Policies Policy [Policy Text Block] Critical accounting policies. 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Adoption Date Trading Arrangement Adoption Date Thereafter Long-Term Debt, Maturity, after Year Five Variable rate term loan facility A Variable Rate Term Loan Facility A [Member] Variable Rate Term Loan Facility A Stated interest rate (as a percent) Weighted Average Interest Rate on Fixed Rate Debt Repaid Debt Instrument, Interest Rate, Stated Percentage Counterparty Name [Domain] Counterparty Name [Domain] TOTAL STOCKHOLDERS' EQUITY Equity, Attributable to Parent Total other (expense) income, net Nonoperating Income (Expense) Assets Disposed of by Sale Disposed of by Sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Credit Facility Credit Facility [Member] Credit Facility Mortgage Notes Payable, Net Mortgage Notes Payable, Net [Member] Mortgage Notes Payable, Net Variable Rate Term Loan Facility D Variable Rate Term Loan Facility D [Member] Variable Rate Term Loan Facility D ASSETS Assets [Abstract] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Debt instrument fees incurred Debt Instrument, Fee Amount Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Estimated reclassification from AOCI to interest expenses Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimated Net Amount to be Transferred Operating lease liabilities Present value of lease payments Operating Lease, Liability Offering costs paid Payments of Stock Issuance Costs Insider Trading Policies and Procedures [Line Items] Finance lease liabilities Present value of lease payments Finance Lease, Liability Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Advisory Agreement - 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Operating revenue Disposal Group, Including Discontinued Operation, Revenue Decrease in other assets Increase (Decrease) in Other Operating Assets PEO PEO [Member] 2028 Long-Term Debt, Maturity, Year Two Fixed lease payments, amount change Operating Lease, Lease Income, Net Change , Value Operating Lease, Lease Income, Net Change , Value Tenant improvements Tenant Improvements Advisory Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold Advisory Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold [Member] Investment Management Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Below Catch-Up Threshold Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Thereafter Finance Lease, Liability, to be Paid, after Year Five Percentage of independent directors required to terminate the amended advisory agreement Related Party Transaction, Percentage Of Independent Directors Required To Terminate The Amended Advisory Agreement Related Party Transaction, Percentage Of Independent Directors Required To Terminate The Amended Advisory Agreement Subsequent Event Type [Domain] Subsequent Event Type [Domain] Earnings per weighted average share of senior common stock (in dollars per share) Earnings Per Weighted Average Share Of Senior Common Stock Earnings per weighted average share of senior common stock. Assets acquired Fair Value of Assets Acquired Schedule of Components of Operating Income from Real Estate and Related Assets Disposed Schedule Of Components Of Income From Real Estate And Related Assets Dispositions [Table Text Block] Schedule Of Components Of Income From Real Estate And Related Assets Dispositions Advisory Agreement - Incentive Rate, Realized Capital Gains Advisory Agreement - Incentive Rate, Realized Capital Gains [Member] Advisory Agreement - Incentive Rate, Realized Capital Gains Total operating expenses Operating Expenses Revolving Credit Facility Revolving Credit Facility [Member] Extension period Debt Instrument, Extension Period Debt Instrument, Extension Period Fair Value Measurements Fair Value Measurement, Policy [Policy Text Block] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Income available to common stockholders diluted (in dollars per share) Diluted earnings per share of common stock (in dollars per share) Earnings Per Share, Diluted Entity Current Reporting Status Entity Current Reporting Status Net cash (used in) provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Number of times the sum of the average annual base management fee and incentive fee earned by adviser Related Party Transaction, Number Of Times The Sum Of The Average Annual Base Management Fee And Incentive Fee Earned By Adviser Related Party Transaction, Number Of Times The Sum Of The Average Annual Base Management Fee And Incentive Fee Earned By Adviser Variable lease payments Operating Lease, Variable Lease Income Redemption of Series F preferred stock, net Stock Redeemed or Called During Period, Value Incentive fee Incentive Fee Expense Amortization of intangible assets Intangible Asset, Finite-Lived, Amortization Expense Intangible Asset, Finite-Lived [Line Items] Intangible Asset, Finite-Lived [Line Items] Ownership [Domain] Ownership [Domain] Adjustments to reconcile net income to net cash provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] 2029 Long-Term Debt, Maturity, Year Three Schedule of Monthly Distributions Declared Schedule of Subsequent Events [Table Text Block] Redeemable preferred stock, par value (in dollars per share) Temporary Equity, Par or Stated Value Per Share Cash flows from financing activities: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Maximum additional amount that can be drawn under line of credit Line of Credit Facility, Remaining Borrowing Capacity Number of tenants Number Of Tenants Number Of Tenants Schedule of Changes in Stockholders' Equity Schedule of Stockholders Equity [Table Text Block] Senior common stock, shares authorized (in shares) Senior Common Stock Shares Authorized Senior common stock, shares authorized. Encumbered properties Number Of Existing Encumbered Properties Number of existing encumbered properties. Aggregate Sales Price Proceeds from Sale, Property, Held-for-Sale Derivative assets Derivative Asset Intangible Asset, Finite-Lived, Class [Axis] Intangible Asset, Finite-Lived, Class [Axis] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Underlying Securities Award Underlying Securities Amount Comprehensive income available to OP Units held by Non-controlling OP Unitholders Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Issuance of common stock and preferred stock, net Stock Issued During Period, Value, New Issues Below Market Leases Below market leases Below Market Lease [Member] Below Market Lease [Member] Interim Financial Information Quarterly Financial Information Policy [Policy Text Block] Quarterly financial information. Preferred Stock Preferred Stock [Member] Variable rate at period end Debt Instrument, Interest Rate, Variable Rate At Period End Debt Instrument, Interest Rate, Variable Rate At Period End Debt instrument variable interest rate increase Debt Instrument, Variable Interest Rate, Increase (Decrease) Debt Instrument, Variable Interest Rate, Increase (Decrease) Weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent 6.625% Series E Cumulative Redeemable Preferred Stock 6.625% Series E Cumulative Redeemable Preferred Stock [Member] 7.00% Series D Cumulative Redeemable Preferred Stock [Member] Payments to tenants from reserves Payments To Tenants From Reserves Payments to tenants from reserves. Distributions in Excess of Accumulated Earnings Accumulated Distributions in Excess of Net Income [Member] Number of mortgages extended Number Of Long Term Mortgages Extended Number Of Long Term Mortgages Extended Schedule of Principal Payments of Mortgage Notes Payable Schedule of Maturities of Long-Term Debt [Table Text Block] (Loss) gain on extinguishment of Series F preferred stock, net Gain (Loss) On Extinguishment Of Preferred Stock Gain (Loss) On Extinguishment Of Preferred Stock Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Sale of Stock [Axis] Sale of Stock [Axis] Finance lease liabilities Finance Lease Liability, Incurred Finance Lease Liability, Incurred Proceeds from sale of real estate Proceeds from Sale, Land, Held-for-Investment Funds held in escrow Escrow Deposit Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Series G Cumulative Redeemable Preferred Stock Series G Cumulative Redeemable Preferred Stock [Member] Series G Cumulative Redeemable Preferred Stock Current Fiscal Year End Date Current Fiscal Year End Date Schedule of Future Minimum Finance Rental Payments Due Finance Lease, Liability, to be Paid, Maturity [Table Text Block] Asset retirement obligation expense Asset Retirement Obligation Expense Asset retirement obligation expense. Six Months Ending December 31, 2026 Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Related Party Transaction [Domain] Related Party Transaction [Domain] Fair value of mortgage notes payable Notes Payable, Fair Value Disclosure Real estate: Real Estate Investment Property, at Cost [Abstract] Deferred rent liability, net Disposal Group, Including Discontinued Operation, Liabilities, Deferred Rent Disposal Group, Including Discontinued Operation, Liabilities, Deferred Rent Receipts from lenders for funds held in escrow Receipts From Lenders For Reserves Held In Escrow Receipts from lenders for funds held in escrow. Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Distributions declared per common stock (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Distributions declared to common, senior common, and preferred stockholders Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Prepaid offering costs, expense Offering Cost, Expense Impairment charge Asset, Impairment Loss Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Administration fee Administrative Fees Expense Distributions declared per preferred stock (in dollars per share) Preferred Stock, Dividends Per Share, Declared Common stock, shares issued (in shares) Common Stock, Shares, Issued Measure: Measure [Axis] Amortization of discount and premium on assumed debt, net Amortization of Debt Discount (Premium) Entity Information [Line Items] Entity Information [Line Items] Borrowings under Term Loan A, Term Loan B and Term Loan C, net Loans Payable Equity Components [Axis] Equity Components [Axis] Related Party Related Party [Member] Class of Stock [Line Items] Class of Stock [Line Items] Entity Interactive Data Current Entity Interactive Data Current Net income available to OP Units held by Non-controlling OP Unitholders Net Income (Loss) Attributable to Noncontrolling Interest Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Number Of Property Portfolio Acquisition Number Of Property Portfolio Acquisition Number Of Property Portfolio Acquisition Entity Small Business Entity Small Business Total comprehensive income available to the Company Comprehensive Income (Loss), Net of Tax, Attributable to Parent 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Termination Date Trading Arrangement Termination Date Weighted average amortization period (in years) Intangible Asset, Finite-Lived, Acquired, Weighted-Average Amortization Period Senior unsecured notes 2029 Senior Unsecured Notes 2029 [Member] Senior Unsecured Notes 2029 Subsequent Events [Abstract] Subsequent Events [Abstract] Below Market Leases Liabilities Assumed Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Aggregate Square Footage (unaudited) Aggregate square footage Area Of Real Estate Property Acquired Area Of Real Estate Property Acquired 2029 Finance Lease, Liability, to be Paid, Year Three Document Type Document Type Senior Notes, 2029 Senior Notes, 2029 [Member] Senior Notes, 2029 Fair Value as of Grant Date Award Grant Date Fair Value Capital improvements included in accounts payable and accrued expenses Noncash Or Part Noncash Acquisition, Improvements Included In Accounts Payable And Accrued Liabilities Noncash Or Part Noncash Acquisition, Improvements Included In Accounts Payable And Accrued Liabilities Advisory Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold Advisory Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold [Member] Advisory Agreement - Incentive Rate, Pre-Incentive Fee Net Investment Income Exceeds Catch-Up Threshold Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Arrangement Duration Trading Arrangement Duration Subsequent Event [Line Items] Subsequent Event [Line Items] Redeemable preferred stock, liquidation preference (in dollars per share) Temporary Equity, Liquidation Preference Per Share Local Phone Number Local Phone Number 2024 Registration Statement 2024 Registration Statement [Member] 2024 Registration Statement Redeemable preferred stock, shares authorized (in shares) Temporary Equity, Shares Authorized Net book value of collateralized mortgage properties SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate, Face Amount of Mortgages Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Common Stock ATM Program, 2024 Common Stock ATM Program, 2024 [Member] Common Stock ATM Program, 2024 Deposits applied against acquisition of real estate investments Proceeds From Deposits Applied Against Acquisition Of Real Estate Investments Proceeds from deposits applied against real estate investments. Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Series E And G Preferred Stock Series E And G Preferred Stock [Member] Series E And G Preferred Stock [Member] Commitments and contingencies Commitments and Contingencies Finite-lived intangible assets, gross Intangible Asset, Finite-Lived, before Accumulated Amortization Total operating revenues Revenues Lease Intangibles Lease Intangibles [Member] Lease Intangibles [Member] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Increase in accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Senior common stock, par value (in dollars per share) Senior Common Stock Par Value Senior common stock, par value. Executive Category: Executive Category [Axis] Other income, net Disposal Group, Including Discontinued Operation, Other Income (Expense) Disposal Group, Including Discontinued Operation, Other Income (Expense) Counterparty Name [Axis] Counterparty Name [Axis] LIABILITIES, MEZZANINE EQUITY AND EQUITY Liabilities and Equity [Abstract] Other Commitments [Table] Other Commitments [Table] Intangible Asset, Finite-Lived, Class [Domain] Intangible Asset, Finite-Lived, Class [Domain] Senior common stock, shares outstanding (in shares) Senior Common Stock Shares Outstanding Senior common stock, shares outstanding. 2030 Lessor, Operating Lease, Payment to be Received, Year Four All Award Types Award Type [Domain] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Six Months Ending December 31, 2026 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Amount reclassified out of Accumulated Other Comprehensive Income Reclassification into interest expense Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax Accounts payable and accrued expenses Accounts Payable and Accrued Liabilities PEO Name PEO Name Geographical [Axis] Geographical [Axis] Restricted cash Restricted Cash Redeemable preferred stock, shares issued (in shares) Temporary Equity, Shares Issued Building and Tenant Improvements Building And Tenant Improvements [Member] Building and Tenant Improvements [Member] Fixed rate mortgage loans Fixed Rate Mortgage Loans [Member] Fixed rate mortgage loans. Long-Lived Asset, Class [Axis] Long-Lived Asset, Class [Axis] Principal repayments on mortgage notes payable Aggregate Fixed Rate Debt Repaid Repayments of Secured Debt Other assets Other Assets Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Leasing commissions Payments for Commissions Other Commitments [Line Items] Other Commitments [Line Items] Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Total cash, cash equivalents, and restricted cash shown in the consolidated statement of cash flows Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Fixed Rate Mortgages Extended Fixed Rate Mortgages Extended [Member] Fixed Rate Mortgages Extended Aggregate Sales Costs Property Held-For-Sale, Selling Costs Property Held-For-Sale, Selling Costs Schedule of Finite-Lived Intangible Assets [Table] Intangible Asset, Finite-Lived [Table] Fixed lease payments Operating Lease, Lease Income, Lease Payments Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Management and service fees, incentive rate Management and Service Fees, Incentive Rate Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Non-NEOs Non-NEOs [Member] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] In-place Leases In-place leases In Place Leases [Member] In-place leases. Land Land Disposal Group Name [Axis] Disposal Group Name [Axis] Schedule of Long-Term Mortgages Schedule of Debt [Table Text Block] Related party transaction, amounts of transaction Related Party Transaction, Amounts of Transaction 2027 Long-Term Debt, Maturity, Year One Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Income available to common stockholders basic (in dollars per share) Basic earnings per share of common stock (in dollars per share) Earnings Per Share, Basic Statistical Measurement [Axis] Statistical Measurement [Axis] Insider Trading Arrangements [Line Items] Management and service fees, base rate Management and Service Fees, Base Rate Distributions attributable to Series E, F, and G preferred stock Redeemable Preferred Stock Dividends Award Type Award Type [Axis] Six Months Ending December 31, 2026 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Payments for deferred financing costs Payments of deferred financing costs Payments of Financing Costs Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Selling profit from sales-type leases Sales-type Lease, Interest Income Series E and G redeemable preferred stock, net, par value $0.001 per share; $25 per share liquidation preference; 10,750,886 and 10,750,886 shares authorized; and 7,052,334 and 7,052,334 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount Increase in amount due to Adviser and Administrator Increase (Decrease) In Accounts Payable And Accrued Liabilities, Due To Adviser And Administrator Increase (Decrease) In Accounts Payable And Accrued Liabilities, Due To Adviser And Administrator Increase in security deposits Increase (Decrease) In Security Deposit Increase (Decrease) In Security Deposit Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Common Stock Common Stock and Non-controlling OP Units Common Stock [Member] Schedule of Allocation of Lease Revenue Operating Lease, Lease Income [Table Text Block] Rental expense Operating Lease, Cost Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Organization, Basis of Presentation and Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure and Significant Accounting Policies [Text Block] Cover [Abstract] Cover [Abstract] Weighted average shares of senior common stock outstanding - basic (in shares) Weighted Average Shares Of Senior Common Stock Outstanding Basic Weighted average shares of senior common stock outstanding - basic. Derivative Contract [Domain] Derivative Contract [Domain] Number of non-core properties sold Number of non-core properties sold Number Of Non-Core Properties Sold Number Of Non-Core Properties Sold Equity Awards Adjustments Equity Awards Adjustments [Member] Series D Cumulative Redeemable Preferred Stock Series D Cumulative Redeemable Preferred Stock [Member] Series D Cumulative Redeemable Preferred Stock Real Estate Property Ownership [Axis] Real Estate Property Ownership [Axis] Dallas, TX Dallas, Texas [Member] Dallas, Texas TOTAL LIABILITIES, MEZZANINE EQUITY AND EQUITY Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] OP Units held by Non-controlling OP Unitholders Equity, Attributable to Noncontrolling Interest Schedule of Future Operating Lease Payments from Tenants Under Non-Cancelable Leases Lessor, Operating Lease, Payment to be Received, Maturity [Table Text Block] Decrease in other liabilities Increase (Decrease) in Other Operating Liabilities Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Related Party, Type [Domain] Related and Nonrelated Parties [Domain] Tabular List, Table Tabular List [Table Text Block] Additional paid in capital Additional Paid in Capital Other income (expense) Other Nonoperating Income (Expense) Total Stockholders' Equity Parent [Member] Advisory Agreement Advisory Agreement [Member] Advisory Agreement Name Awards Close in Time to MNPI Disclosures, Individual Name Real Estate Properties [Line Items] Real Estate Properties [Line Items] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] General and administrative General and Administrative Expense Long-Lived Asset, Class [Domain] Long-Lived Asset, Class [Domain] Dealer Manager Agreement - Dealer Management Fee Percentage of Gross Proceeds from Sale of Preferred Stock in Primary Offering Dealer Manager Agreement - Dealer Management Fee Percentage Of Gross Proceeds From Sale Of Preferred Stock In Primary Offering [Member] Dealer Manager Agreement - Dealer Management Fee Percentage Of Gross Proceeds From Sale Of Preferred Stock In Primary Offering Redeemable preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Sales-type lease receivable, net Sales-Type Lease, Net Investment in Lease, Excluding Accrued Interest, after Allowance for Credit Loss, Noncurrent Series F redeemable preferred stock, par value $0.001 per share; $25 per share liquidation preference; 25,659,120 and 25,699,451 shares authorized and 717,459 and 750,247 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Number of properties Number of Real Estate Properties Hedging Designation [Domain] Hedging Designation [Domain] Dividends Payable [Line Items] Dividends Payable [Line Items] Dividends Payable [Table] Dividends Payable [Table] Class of Stock [Domain] Class of Stock [Domain] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Aggregate Fair Value Liability Interest Rate Cash Flow Hedge Liability at Fair Value Hedging Designation [Axis] Hedging Designation [Axis] Below market leases, gross Below Market Lease, Gross Credit Facility [Axis] Credit Facility [Axis] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Dealer Manager Agreement Dealer Manager Agreement [Member] Dealer Manager Agreement 2031 Finance Lease, Liability, to be Paid, Year Five Name Measure Name Pay vs Performance Disclosure [Line Items] 2031 Lessee, Operating Lease, Liability, to be Paid, Year Five Debt Instrument [Line Items] Debt Instrument [Line Items] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Senior Common Stock Senior Common Stock [Member] Senior common stock. Additional Paid in Capital Additional Paid-in Capital [Member] Entity Filer Category Entity Filer Category 2031 Lessor, Operating Lease, Payment to be Received, Year Five Name Trading Arrangement, Individual Name Cash and cash equivalents Cash and Cash Equivalent Fixed lease payments, percent change Operating Lease, Income, Net Change, Percent Operating Lease, Income, Net Change, Percent Series E Cumulative Redeemable Preferred Stock Series E Cumulative Redeemable Preferred Stock [Member] Series E Cumulative Redeemable Preferred Stock Future Lease Payments Due Under Finance Leases Finance Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Charlotte, North Carolina Charlotte, North Carolina [Member] Charlotte, North Carolina Company Selected Measure Amount Company Selected Measure Amount Number of ground leases treated as finance leases Property Subject to or Available for Finance Lease, Number of Units Property Subject to or Available for Finance Lease, Number of Units Schedule of Acquired Properties Summary Of Properties Acquired [Table Text Block] Summary of properties acquired. Amortization of deferred rent asset and liability, net Amortization Of Deferred Rent Asset And Liability Net Amortization of deferred rent asset and liability, net. Series F Preferred Stock Series F Preferred Stock [Member] Temporary equity, contract terms, trigger change in control Temporary Equity, Contract Terms, Trigger Change In Control, Percentage Temporary Equity, Contract Terms, Trigger Change In Control, Percentage Notice period for termination of agreement without cause Related Party Transaction, Notice Period For Termination Of Agreement Without Cause Notice period for termination of agreement without cause. Entity Address, Address Line Two Entity Address, Address Line Two Redemption of Series F preferred stock Payments for Repurchase of Redeemable Preferred Stock Schedule of Stock by Class [Table] Stock, Class of Stock [Table] Net income Net income Net income Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Real Estate [Abstract] Real Estate [Abstract] Right-of-use asset from finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability 2031 Long-Term Debt, Maturity, Year Five Weighted average remaining lease term Operating Lease, Weighted Average Remaining Lease Term Mortgage Notes Payable Mortgage Notes Payable Mortgage Notes Payable [Member] Mortgage notes payable. Derivative liabilities Derivative Liability Total real estate held for sale Disposal Group Including Discontinued Operation Real Estate Investment Property Net Disposal group including discontinued operation real estate investment property net. Non-PEO NEO Non-PEO NEO [Member] Senior Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Award Timing Method Award Timing Method [Text Block] Net (decrease) increase in cash, cash equivalents, and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Number of ground leases treated as operating leases Property Subject to or Available for Operating Lease, Number of Units 2028 Lessor, Operating Lease, Payment to be Received, Year Two Net income available to the Company Net Income (Loss) Attributable to Parent Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Deposits on future acquisitions Payment for Acquisition, Real Estate, Held-for-Investment Statement [Table] Statement [Table] Above market leases Above Market Leases [Member] Restatement Determination Date: Restatement Determination Date [Axis] Sales-type lease receivable, allowance for credit loss Sales-Type Lease, Net Investment in Lease, Allowance for Credit Loss, Excluding Accrued Interest, Noncurrent Receipts from tenants for reserves Receipts From Tenants For Reserves Receipts from tenants for reserves. Incentive fee waiver Incentive Fee Credit Incentive Fee Credit Gladstone Commercial Limited Partnership Gladstone Commercial Limited Partnership [Member] Gladstone Commercial Limited Partnership [Member] Amortization of right-of-use asset finance lease liabilities, net Amortization Of Right-Of-Use Asset Finance Lease Liabilities, Net Amortization Of Right-Of-Use Asset Finance Lease Liabilities, Net Harrison Township, MI Harrison Township, Michigan [Member] Harrison Township, Michigan Operating revenues Revenues [Abstract] MEZZANINE EQUITY Temporary Equity [Abstract] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block]